cglib使用

import java.lang.reflect.Method;

import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

public class BaseInterceptor implements MethodInterceptor {
private Object target;

private Enhancer enhancer = new Enhancer();

public Object getInstrumentedClass(Class c,Object object){
this.target = object;
enhancer.setSuperclass(c);
enhancer.setCallback(this);
return enhancer.create();
}

public Object getInstrumentedClass(Class c){
enhancer.setSuperclass(c);
enhancer.setCallback(this);
return enhancer.create();
}

public Object intercept(Object o, Method method, Object[] values,
MethodProxy proxy) throws Throwable {
// TODO 自动生成方法存根
this.doBefore();
//Object obj = proxy.invokeSuper(object,values);
Object obj = proxy.invokeSuper(o,values);
this.doAfter();

return obj;
}

public void doBefore(){
System.out.println("before:");
}

public void doAfter(){
System.out.println("after:");
}

public static void main(String[] args){
BaseInterceptor instrumenter = new BaseInterceptor();
Test test = (Test)instrumenter.getInstrumentedClass(Test.class);
test.say();
}

}
class Test{
public void say(){
System.out.println("Hello!");
}
}